Ocean Fun Tools A B Ocean Salt water that covers 70% of the Earth Beach Part of the seashore that has sand, shells, and pebbles Seashore Where the land and the ocean meet Vertebrate Animal with a backbone Invertebrate Animal without a backbone Salt Water The kind of water the ocean is Octopus Invertebrate that has eight arms called tentacles Crab An invertebrate that lives on the seashore, has a shell on its body, and has claws Seagull A type of bird that lives on the seashore Fish A vertebrate that lives in the water and breathes through gills.